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<H1 id="MPIX_Comm_revoke">MPIX_Comm_revoke</H1>
Prevent a communicator from being used in the future 
<H2>Synopsis</H2>
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int MPIX_Comm_revoke(MPI_Comm comm)
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<H2>Input Parameters</H2>
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<DT><B>comm </B> <DD> communicator to revoke (handle)
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<H2>Notes</H2>
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